tests whether an object is a function
Description
.isFunction() tests whether an object is a function.
Make sure not to use parentheses in the function name.
Example
<!DOCTYPE html>
<html>
<head>
<script src="http://yourServer.com/jQuery/jquery.min.js"></script>
<script>
console.log($.isFunction({})); // false
console.log($.isFunction($.isFunction)); // true
console.log($.isFunction($.isFunction())); // false, because of parenthesis
<!-- ww w . j a v a 2s . c o m-->
</script>
</head>
<body>
<p>Your tags here</p>
</body>
</html>